<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Storage单例</title>
</head>
<body>
<!-- <script type="module" src="./storage.js"></script> -->
<!-- <script type="module">
import Storage from './storage.js'
const instance1  = Storage.getInstance()
const instance2  = Storage.getInstance()
console.log(instance1 === instance2)
</script> -->
<script src="./old_storage.js"></script>
<script>
    const instance1  = Storage.getInstance()
    const instance2  = Storage.getInstance()
    console.log(instance1 === instance2)
</script>
</body>
</html>